9712305

素因数分解:

$3^4\times 5^1\times {\mathrm{23981}}^1$

素因数の和:23998

約数の個数: 20

約数和(自身を含む): 17410932

約数和(自身を除く): 7698627

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 23981, 71943, 119905, 215829, 359715, 647487, 1079145, 1942461, 3237435, 9712305]

約数ペア:

[(1, 9712305), (3, 3237435), (5, 1942461), (9, 1079145), (15, 647487), (27, 359715), (45, 215829), (81, 119905), (135, 71943), (405, 23981)]